R. RACEME: Elongated flowerhead made up of many individual flowers. REPOTTING: Removing a plant from its pot and replanting in fresh soil. REVERSE OSMOSIS: When water passes from the roots to the soil caused by over feeding. ROOTBALL: The mass of roots and soil when lifting a plant from its pot. ROOT BURN: The effect of over feeding (reverse osmosis) ROOT HAIR: A single cell growth from a root. ROOT PRUNING: Cutting back the roots of a potbound plant. ROOTING HORMONE: A compound powder used to increase the success rate of cuttings. ROOTSTOCK: Root system and stem used to graft on a new plant. |